Home / 26,219.44-36,151.49-21,421.70

Finding the Fourth Proportional to 26,219.44, 36,151.49 and 21,421.70

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Solution

The fourth proportional to 26,219.44, 36,151.49 and 21,421.70 is: 29,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.44 : 36,151.49 = 21,421.70 : x
  2. Step 2: Convert to fraction form
    26,219.44/36,151.49 = 21,421.70/x
  3. Step 3: Cross multiply
    26,219.44x = 36,151.49 × 21,421.70
  4. Step 4: Simplify right side
    26,219.44x = 774,426,373.33
  5. Step 5: Solve for x
    x = 774,426,373.33/26,219.44
  6. Step 6: Final answer
    x = 29,536.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.